Home / 98,501.20-147,708.60-39,317.20

Finding the Fourth Proportional to 98,501.20, 147,708.60 and 39,317.20

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Solution

The fourth proportional to 98,501.20, 147,708.60 and 39,317.20 is: 58,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,501.20 : 147,708.60 = 39,317.20 : x
  2. Step 2: Convert to fraction form
    98,501.20/147,708.60 = 39,317.20/x
  3. Step 3: Cross multiply
    98,501.20x = 147,708.60 × 39,317.20
  4. Step 4: Simplify right side
    98,501.20x = 5,807,488,567.92
  5. Step 5: Solve for x
    x = 5,807,488,567.92/98,501.20
  6. Step 6: Final answer
    x = 58,958.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.